Hemorrhoids before doing surgery for blood sampling, mainly to check blood coagulation, blood sugar, liver function, etc., but also to detect whether there are infectious diseases. In the process of doing hemorrhoid surgery, there will be a moderate amount of bleeding, when the patient’s body appears abnormal, you can do the treatment plan early during the surgery, can ensure the success of the doctor to do the surgery, but also to ensure the health of the patient. You should ensure that you fast for more than 10 hours, drink no water, and eat nothing to prevent the blood test from being affected when you have your blood drawn before doing hemorrhoid surgery. If you have other diseases in your body, you should communicate with your doctor in time to prevent accidents during the procedure. You should choose a regular hospital to do hemorrhoid surgery, and after the surgery, you should take good care of your local area, keep it fresh and clean, change the medication on time to prevent infection, and most importantly, keep your bowels open to prevent constipation.